The full English name of Recruitment Process Outsourcing is recruitment process outsourcing, which is a customer-oriented, project-based recruitment solution service, and a customized solution that focuses on the company's large-scale recruitment needs in a long recruitment cycle. The recruitment process outsourcing (RPO) service is a way of human resource outsourcing (HRO). In this service, enterprises outsource the whole process of internal recruitment. The so-called whole process refers to all links from determining the job description, analyzing the employment concept, job requirements, communicating with the person in charge of the employment department, screening resumes, talent evaluation, interview to employment notice, and reporting to candidates. In other words, RPO can provide a one-stop service of "End to End". Recruitment process outsourcing (RPO) refers to an enterprise entrusting the whole recruitment process to an external organization, which involves all aspects from manpower excavation to final recruitment and admission, and is an integrated process. To put it simply, RPO is to define a recruitment process and hand it over to an external company to complete. Of course, this company must have corresponding qualifications and experience, and recruit the required talents for the entrusting company according to this recruitment process. The outsourcing of recruitment process can improve the recruitment quality, shorten the time to fill vacancies, improve the whole administrative process, manage the reporting of core business indicators and reduce the overall cost. Many enterprises have begun to use RPO to complete recruitment tasks. Significantly cutting costs and improving recruitment quality can improve the effectiveness and efficiency of the recruitment process. RPO refers to an enterprise outsourcing all or part of its recruitment requirements to a professional company. The function of this kind of professional service company is equivalent to the recruitment department within the enterprise, which is responsible for providing customers with necessary skills, tools and technologies.